Welcome to Keystone

    Keystone Technology focuses on the transformation of its business structure and the promotion of independent research and development projects. The Group's headquarters has a number of product divisions and a production center, and has established wholly-owned subsidiaries and offices in many parts of the country and in Los Angeles.

    • Company Profile

      Keystone Technology focuses on the transformation of business structure and the promotion of independent research and development projects, focusing on the research and development and innovation of core products, including the development and production of LCD panels and OLED functional devices, the ...
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    • Company Profile

      Chengdu Guanshi Technology Co., Ltd. is a wholly-owned subsidiary of Nanjing Guanshi Technology Co., Ltd. with a total investment of 150 million yuan and an area of 50 mu. It mainly provides production and sales services for customers in Southwest China, including functional devices and polarizers in semiconductor and display industries.
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    • Company Profile

      Xianyang Guanshi Technology Co., Ltd. was established in October 2017 and officially put into operation in the second half of 2018. It is located in Gaoke Third Road, Xianyang City, covering an area of 5000 square meters Since its establishment in 2018, Xianyang Guanshi Technology Group Co., Ltd.
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    Product Display

    Keystone Technology focuses on the transformation of business structure and the promotion of independent research and development projects, focusing on the research and development and innovation of core products, including the development and production of LCD panels and OLED functional devices, the development and production of polarizers, and the development of Open cells. Produce

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    In 2012, Keystone Technology passed the ISO9001 international quality system certification and ISO14001 international environmental management system certification, and won the honorary title of “National High-tech Enterprise”.

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